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Photodynamic therapy of laryngeal cancers

Carcinoma of the larynx accounts for 25-30 percent of all carcinomas of the head and neck. Early carcinomas of the larynx (Tis or T1) and severe dysplasia are presently treated with either radiation therapy or surgery alone. Radiation therapy, however, has significant disadvantages including mucositis during and for potential prolonged periods after therapy, permanently altered voice quality, dysphagia, chondroradionecrosis of the larynx and trachea, and the extensive length of therapy (6-7 weeks). Surgical therapy for early carcinomas of the larynx includes performing a partial cordectomy or hemilaryngectomy. Although cure rates are high, surgical removal of portions of the vocal cord or hemilarynx results in significant alteration of the quality of voice.

Photodynamic therapy has been demonstrated to be effective in the treatment of early carcinomas of the larynx, Tis and T1, with cure rates of 90% with follow-up to 236 months. The advantage of PDT therapy for early carcinomas of the larynx is the ability to preserve normal endolaryngeal tissue while effectively treating the carcinomas. This results in improved laryngeal function and voice quality. Furthermore, PDT requires a short duration of therapy as compared to radiation therapy, is repeatable and carries less risk than surgical therapy and is performed as an outpatient noninvasive treatment. Importantly, the use of PDT does not preclude the use of radiotherapy or surgery in the future for new primary or recurrent disease.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Biel, M. Photodynamic therapy of laryngeal cancers. Head Neck Oncol 2 (Suppl 1), O25 (2010). https://doi.org/10.1186/1758-3284-2-S1-O25

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  • DOI: https://doi.org/10.1186/1758-3284-2-S1-O25

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